Base | Representation |
---|---|
bin | 1000011001011… |
… | …10010000000000 |
3 | 11220112221001020 |
4 | 10030232100000 |
5 | 121013202112 |
6 | 10553505440 |
7 | 1513523121 |
oct | 414562000 |
9 | 156487036 |
10 | 70444032 |
11 | 3684470a |
12 | 1b712280 |
13 | 11795979 |
14 | 94da048 |
15 | 62b748c |
hex | 432e400 |
70444032 has 88 divisors (see below), whose sum is σ = 196118976. Its totient is φ = 22437888.
The previous prime is 70444021. The next prime is 70444079. The reversal of 70444032 is 23044407.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 70443993 and 70444011.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70158 + ... + 71154.
Almost surely, 270444032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70444032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98059488).
70444032 is an abundant number, since it is smaller than the sum of its proper divisors (125674944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70444032 is a wasteful number, since it uses less digits than its factorization.
70444032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1043 (or 1025 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 24.
The square root of 70444032 is about 8393.0943042480. The cubic root of 70444032 is about 412.9981141466.
Adding to 70444032 its reverse (23044407), we get a palindrome (93488439).
The spelling of 70444032 in words is "seventy million, four hundred forty-four thousand, thirty-two".
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